1. Department of Medicinal Chemistry, School of Pharmacy Qingdao University, Qingdao Shandong 266021 People's Republic of China
2. School of Basic Medicine Qingdao University, Qingdao Shandong 266021 People's Republic of China
3. Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis Southern University of Science and Technology (SUSTech) Shenzhen 518055 People's Republic of China